<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
	    <script>
	        var num=1;
	        
	     
	        for (var x in  window) {
	            document.write(num+++" "+x+"</br>");
	          
	        }
	
	
	        </script>
		    
	</body>
</html>
